This evidence-based article explores running profound impact on mental health, examining scientific mechanisms and lived experiences showing why running effectively treats anxiety, depression, and stress while building resilience and self-confidence. Physiological benefits include endorphin and endocannabinoid release creating natural mood elevation, cortisol regulation reducing stress hormones, improved sleep quality enhancing emotional regulation, increased BDNF production supporting brain health, and cardiovascular benefits improving overall wellbeing. Psychological benefits cover sense of accomplishment from completing runs, mindfulness through movement and being present, social connection through running communities, routine and structure providing stability, and progressive confidence from achieving incremental goals. The guide addresses that running is powerful mental health tool but not cure-all or replacement for professional treatment when needed, that consistency matters more than intensity for mental health benefits, that some people experience negative mental health impact from obsessive running requiring balance, and that running combined with therapy and medication creates comprehensive approach. Implementation recommendations include starting with achievable goals preventing overwhelming discouragement, finding enjoyment rather than forcing suffering, building community support, tracking mood improvements validating impact, and being patient as mental health benefits develop over weeks. BALG shares Kelly personal experience with running transforming anxiety and building confidence, community member stories of running supporting mental health recovery, and emphasis that running provides accessible low-cost mental health support while reducing stigma around using movement as medicine for emotional wellbeing.